Is a '69 AMX considered a mopar A-body?

Here's a good article from Hot Rod about AMC engines. AMC V8 Block Engine - Mopar Muscle Magazine


Even though they are all the same external dimensions, it's pretty much a given in the AMC world that the 390 and 401 are considered their big blocks, just from the performance standpoint of the 390 and the cubic inches of the 401.

The 390 was much like the Chrysler 340 in that it came only one way. Hot. That was the AMC performance engine.